From Viscom Software:
SoundVolume is tiny control sound volume ActiveX control that support control Master Volume, Wave, CD Audio, Line In, Microphone, Phone Line, PC Speaker, SW Synth volume.
Control Sound Volume( Master Volume, Wave, CD Audio, LineIn, Microphone, Phone Line, PC Speaker, SW Synth) and Recording Control ( Micrphone, CD Audio, Line In)
Enable/Disable mute function.
Retrieve audio input devices information. (Mute Status, Min/Max/Current Volume Value)
Object Base design, easily to use.
Include Vb.Net, VB, VB Script, VC, and VFP Sample source code.
Compatible with any programming language that supports ActiveX (Visual C++ , Visual Basic , Visual Foxpro, Delphi, .Net, etc.)